# Apple Watch Ultra 3

The text version of the iDevice Guide at https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3. Same data as the page, last updated 2026-10-08.

> Apple Watch Ultra 3 runs 42 hours, messages by satellite and carries 5G, wrapped in titanium. Launched at $799.

- Status: On sale
- List price: $799 (The maker's own starting price.)
- Released Sep 19, 2025 (source: [Apple Newsroom](https://www.apple.com/newsroom/2025/09/introducing-apple-watch-ultra-3/))
- Guide: https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3
- Last updated: 2026-10-08

## Can it do this?

- **How long does the battery last?** Apple rates it for up to 42 hours of normal use or up to 72 hours in Low Power Mode. A full GPS and heart-rate workout is rated for up to 14 hours. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-how-long-does-the-battery-last))
- **Does it measure blood pressure?** No. It does not give you a blood pressure reading, but it can look for patterns that may point to chronic high blood pressure and send a hypertension notification. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-does-it-measure-blood-pressure))
- **What does it cost?** It starts at $799, for the single 49mm titanium model. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-what-does-it-cost))
- **Does it read blood glucose?** No. Apple Watch Ultra 3 does not have a blood glucose sensor. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-does-it-read-blood-glucose))
- **Does it track sleep apnea?** Yes. It can monitor breathing disturbances over time and notify you of possible sleep apnea. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-does-it-track-sleep-apnea))
- **Can it get wet — shower, pool, swimming?** Yes. Apple Watch Ultra 3 is water resistant to 100 metres and is designed for swimming, snorkeling and recreational scuba diving to 40 metres. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-can-it-get-wet-shower-pool-swimming))
- **Does it work with my phone?** Yes, if you have a compatible iPhone. It does not support Android phones. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-does-it-work-with-my-phone))
- **Does it do 5G?** Yes. It supports 5G cellular service as well as Wi-Fi, so it is not limited to Wi-Fi for a data connection. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-does-it-do-5g))
- **How heavy is it?** It weighs 61.6g in natural titanium or 61.8g in black titanium, not including the band. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-how-heavy-is-it))
- **What sizes does it come in?** It comes in one 49mm case size, so there is no smaller case option. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-what-sizes-does-it-come-in))
- **How does it connect?** It uses Wi-Fi, Bluetooth and cellular service, and it can also use satellite for supported off-grid features. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-how-does-it-connect))
- **How sharp and bright is the screen?** The screen reaches 3000 nits at its brightest. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-how-sharp-and-bright-is-the-screen))
- **How thick is it?** It is 12mm thick on its 49mm case. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-how-thick-is-it))
- **What chip is inside?** It uses Apple's S10 chip; basic AI runs on the watch, while AI Siri still needs an iPhone. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#can-what-chip-is-inside))

## Works with

- **Does the Apple Watch Ultra support tap-to-pay?** With a limit. Apple Pay works where your bank, card, and market support it. Source: [Apple](https://support.apple.com/en-us/102775). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#q-payments))
- **How does the Apple Watch Ultra use the iPhone app, Apple Account, and subscriptions?** Works. Set it up in the Apple Watch app; Apple Fitness+ is optional. Source: [Apple](https://support.apple.com/en-ie/109015). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#q-companion-app-account-subscription))
- **Does the Apple Watch Ultra support messages and notifications away from the iPhone?** With a limit. Many work over Wi-Fi or cellular, but some still need the iPhone on. Source: [Apple](https://support.apple.com/en-ie/109015). Checked 2026-09-21.
- **Does the Apple Watch Ultra support setup for a child without their own iPhone?** With a limit. Apple Watch For Your Kids can work without the child's own iPhone. Source: [Apple](https://support.apple.com/en-la/119601). Checked 2026-09-21.
- **Does the Apple Watch Ultra support Find My?** Works. Find My can locate and protect a lost Apple Watch Ultra. Source: [Apple](https://support.apple.com/en-gw/126302). Checked 2026-09-21. ([on the Guide](https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3#q-find-my))
- **Does the Apple Watch Ultra support fitness sensors and gym equipment?** With a limit. It works with Bluetooth fitness sensors and compatible GymKit equipment. Source: [Apple](https://www.apple.com/apple-watch-ultra-4/specs/). Checked 2026-09-21.
- **Does the Apple Watch Ultra support the same features in every region and language?** With a limit. Some features vary by country, region, language, or carrier. Source: [Apple](https://support.apple.com/en-us/102626). Checked 2026-09-21.

## Top reports

- **Ultra 3 was expected in 2025 with satellite texting that needs no iPhone** (Partly right.) Gurman reported it would send texts when neither cellular nor Wi-Fi is available. First reported by [Bloomberg](https://www.bloomberg.com/news/newsletters/2025-06-29/apple-should-launch-oura-ring-competitor-tethered-vision-pro-ios-26-beta-2-mchmc20h) on Jun 29, 2025.
- **The display was expected to grow, on a resolution found in iOS 26** (Right.) The 422 by 514 figure matched no shipping model at the time. First reported by [MacRumors](https://www.macrumors.com/2025/08/05/apple-watch-ultra-3-display-size/) on Aug 5, 2025.

---

Source: iDevice (https://idevice.com). Every spec, rumor and grade above links to where it came from. Full Guide: https://idevice.com/smart-watches/apple-watch-ultra/roadmap/ultra-3. This file: https://idevice.com/guide-text/apple-watch-ultra-3.md.

## Questions and answers

### Using it

**What does it cost?** It costs $799. That is the list price. Source: Apple

**Does it measure blood pressure?** No, it does not measure blood pressure. Source: Apple

**Does it read blood glucose?** No, it has no glucose sensor. Source: Apple

**Does it track sleep apnea?** It looks for signs that you may be at risk. Its screening is FDA-cleared. It is a signal to act on, not a diagnosis. Source: Apple

**Does it work with my phone?** It works with an iPhone only. There is no Android app. Source: Apple

**Does it do 5G?** Yes, it does 5G. Source: Apple

**How heavy is it?** It weighs 61.6g to 61.8g. The weight varies by size or finish. Source: Apple

**How does it connect?** It connects over Wi-Fi. Source: Apple

**How sharp and bright is the screen?** The screen reaches 3000 nits at its brightest. Source: Apple

**How thick is it?** It is 12mm thick. Source: Apple

**What chip is inside?** It runs on Apple S10. Source: Apple

**Which AI assistant does it use?** It uses Apple Intelligence and Siri. Source: Apple

**What software does it run?** It runs watchOS 26. Source: Apple

**What is it made of?** It is made of titanium. Source: Apple

**Does it do satellite SOS?** Yes, it can call for help by satellite. You can message off the grid where there is no signal. Source: Apple

**What kind of screen is it?** It is an LTPO OLED screen. It drops its refresh rate to save power, which is how always-on works. Source: Apple

**Does it track sleep stages?** Yes, it tracks your sleep stages. Source: Apple

### Sizing and fit

**What sizes does it come in?** Case sizes: 49mm titanium, 12mm thick. Source: Apple

### Battery and charging

**How long does the battery last?** It runs 42 hours. That is 3 days in low power mode, and 42 hours at most. Source: Apple

### Water

**Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 100m, and for snorkelling. Its rating is IP6X. Source: Apple

### Price and models

**When did the Apple Watch Ultra 3 come out?** It went on sale September 19, 2025. Announced September 9, 2025. Source: iDevice

**Is there a newer one?** Yes: the Apple Watch Ultra 4, out September 18, 2026. Source: [iDevice](/smart-watches/apple-watch-ultra/roadmap)

**How much does the Apple Watch Ultra 3 cost?** List price: From $799. Current price we last read at Best Buy: $629.97, October 10, 2026. Source: Apple

### Works with

**Does the Apple Watch Ultra support fitness sensors and gym equipment?** It works with Bluetooth fitness sensors and compatible GymKit equipment. With a limit Source: [Apple](https://www.apple.com/apple-watch-ultra-4/specs/)

**Does the Apple Watch Ultra support the same features in every region and language?** Some features vary by country, region, language, or carrier. With a limit Source: [Apple](https://support.apple.com/en-us/102626)